package com.tanhua.server.service;

import com.alibaba.dubbo.config.annotation.Reference;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.tanhua.dubbo.server.api.UpdateUserLocationApi;
import com.tanhua.dubbo.server.api.UserLikeApi;
import com.tanhua.dubbo.server.pojo.PageInfo;
import com.tanhua.dubbo.server.pojo.RecommendUser;
import com.tanhua.dubbo.server.vo.UserLocationVo;
import com.tanhua.server.enums.SexEnum;
import com.tanhua.server.pojo.Question;
import com.tanhua.server.pojo.User;
import com.tanhua.server.pojo.UserInfo;
import com.tanhua.server.utils.UserThreadLocal;
import com.tanhua.server.vo.NearUserVo;
import com.tanhua.server.vo.PageResult;
import com.tanhua.server.vo.RecommendUserQueryParam;
import com.tanhua.server.vo.TodayBest;
import org.apache.commons.lang3.RandomUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestTemplate;

import java.util.*;

/**
 * @description:
 * @author: Administrator
 * @date: Created in 2021/2/15 13:49
 * @version: 0.0.1
 * @modified By:
 */
@Service
public class TodayBestService {

    @Autowired
    private RecommendUserService recommendUserService;

    @Value("${tanhua.sso.default.user}")
    private Long defaultUser;

    @Value("${tanhua.sso.default.recommend.users}")
    private String defaultRecommendUsers;

    @Autowired
    private UserInfoService userInfoService;

    @Autowired
    private QuestionService questionService;

    private static final ObjectMapper MAPPER = new ObjectMapper();

    @Value("${tanhua.sso.url}")
    private String ssoUrl;

    @Autowired
    private RestTemplate restTemplate;

    @Reference(version = "2.0.0") //2.0.0是ES版本的实现，1.0.0是Mongodb版本的实现
    private UpdateUserLocationApi updateUserLocationApi;

    @Reference(version = "1.0.0")
    private UserLikeApi userLikeApi;

    @Autowired
    private IMService imService;


    public TodayBest queryTodayBest() {
        //校验token是否有效，通过sso的接口进行校验
        User user = UserThreadLocal.get();
        //查询推荐用户(今日佳人)
        TodayBest todayBest = this.recommendUserService.queryTodayBest(user.getId());
        if (null == todayBest) {
            //给出默认推荐用户
            todayBest = new TodayBest();
            todayBest.setId(defaultUser);
            todayBest.setFateValue(80L);  //固定值
        }
        //补全个人信息
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(todayBest.getId());
        if (null == userInfo) {
            return null;
        }

        todayBest.setAvatar(userInfo.getLogo());
        todayBest.setNickname(userInfo.getNickName());
        todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man" : "woman");
        todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
        todayBest.setAge(userInfo.getAge());
        return todayBest;
    }

    public PageResult queryRecommendation(RecommendUserQueryParam queryParam) {
        //校验token是否有效，通过sso的接口进行校验
        User user = UserThreadLocal.get();
        PageResult pageResult = new PageResult();
        pageResult.setPage(queryParam.getPage());
        pageResult.setPagesize(queryParam.getPagesize());
        PageInfo<RecommendUser> pageInfo = this.recommendUserService.queryRecommendUserList(user.getId(), queryParam.getPage(), queryParam.getPagesize());
        List<RecommendUser> records = pageInfo.getRecords();
        if (CollectionUtils.isEmpty(records)) {
            //没有查询到推荐的用户列表
            String[] ss = StringUtils.split(defaultRecommendUsers, ",");
            for (String s : ss) {
                RecommendUser recommendUser = new RecommendUser();
                recommendUser.setUserId(Long.valueOf(s));
                recommendUser.setToUserId(user.getId());
                recommendUser.setScore(RandomUtils.nextDouble(70, 98));
                records.add(recommendUser);
            }
        }
        //填充个人信息

        //收集推荐用户的id
        Set<Long> userIds = new HashSet<>();
        for (RecommendUser record : records) {
            userIds.add(record.getUserId());
        }
        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();
        //用户id参数
        queryWrapper.in("user_id", userIds);
        if (StringUtils.isNotEmpty(queryParam.getGender())) {
            //需要性别参数查询
            // queryWrapper.eq("sex",StringUtils.equals(queryParam.getGender(),"man")?1:2);
        }
        if (StringUtils.isNotEmpty(queryParam.getCity())) {
            //需要城市参数查询
            //   queryWrapper.like("city",queryParam.getCity());
        }
        if (queryParam.getAge() != null) {
            //设置年龄参数，条件：小于等于
            //   queryWrapper.le("age",queryParam.getAge());
        }
        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);
        if (CollectionUtils.isEmpty(userInfoList)) {
            //没有查询到用户的基本信息
            return pageResult;
        }
        List<TodayBest> todayBests = new ArrayList<>();
        for (UserInfo userInfo : userInfoList) {
            TodayBest todayBest = new TodayBest();
            todayBest.setId(userInfo.getUserId());
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man" : "woman");
            todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
            todayBest.setAge(userInfo.getAge());
            //缘分值
            for (RecommendUser record : records) {
                if (record.getUserId().longValue() == userInfo.getUserId().longValue()) {
                    double score = Math.floor(record.getScore());  //取整,98.2->98
                    todayBest.setFateValue(Double.valueOf(score).longValue());
                    break;
                }
            }
            todayBests.add(todayBest);
        }
        //按照缘分值进行倒序排序
        Collections.sort(todayBests, (o1, o2) -> new Long(o2.getFateValue() - o1.getFateValue()).intValue());
        pageResult.setItems(todayBests);
        return pageResult;
    }

    public TodayBest queryTodayBest(Long userId) {
        User user = UserThreadLocal.get();
        TodayBest todayBest = new TodayBest();
        //补全信息
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(userId);
        todayBest.setId(userId);
        todayBest.setAge(userInfo.getAge());
        todayBest.setTags(StringUtils.split(userInfo.getTags(), ","));
        todayBest.setGender(userInfo.getSex().name().toLowerCase());
        todayBest.setNickname(userInfo.getNickName());
        todayBest.setAvatar(userInfo.getLogo());
        double score = this.recommendUserService.queryScore(userId, user.getId());
        if (score == 0) {
            score = 98;
        }
        todayBest.setFateValue(Double.valueOf(score).longValue());
        return todayBest;
    }

    public String queryStrangerQuestions(Long userId) {
        Question question = this.questionService.queryQuestion(userId);
        if (null != question) {
            return question.getTxt();
        }
        return "";
    }

    /**
     * @param
     * @return
     * @description 回复陌生人问题，发送消息给对方
     * @author
     * @date
     */
    public Boolean replyQuestions(Long userId, String reply) {
        User user = UserThreadLocal.get();
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(user.getId());
        //构建消息内容
        Map<String, Object> msg = new HashMap<>();
        msg.put("userId", user.getId().toString());
        msg.put("nickname", userInfo.getNickName());
        msg.put("strangerQuestion", this.questionService.queryQuestion(userId));
        msg.put("reply", reply);
        try {
            String msgStr = MAPPER.writeValueAsString(msg);
            String url = this.ssoUrl + "/user/huanxin/messages";
            HttpHeaders httpHeaders = new HttpHeaders();
            httpHeaders.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
            MultiValueMap<String, String> params = new LinkedMultiValueMap<>();
            params.add("target", userId.toString());
            params.add("msg", msgStr);
            HttpEntity<MultiValueMap<String, String>> httpEntity = new HttpEntity<>(params, httpHeaders);
            ResponseEntity<Void> responseEntity = this.restTemplate.postForEntity(url, httpEntity, Void.class);
            return responseEntity.getStatusCodeValue() == 200;

        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }

    public List<NearUserVo> queryNearUser(String gender, String distance) {
        User user = UserThreadLocal.get();
        //查询当前用户的位置信息
        UserLocationVo userLocationVo = this.updateUserLocationApi.queryByUserId(user.getId());
        Double longitude = userLocationVo.getLongitude();
        Double latitude = userLocationVo.getLatitude();
        //根据当前用户的位置信息查询附近的好友
        List<UserLocationVo> userLocationVos = this.updateUserLocationApi.queryUserFromLocation(longitude, latitude, Integer.valueOf(distance));
        if (CollectionUtils.isEmpty(userLocationVos)) {
            return Collections.emptyList();
        }
        List<Long> userIds = new ArrayList<>();
        for (UserLocationVo locationVo : userLocationVos) {
            if (!userIds.contains(locationVo.getUserId())) {
                userIds.add(locationVo.getUserId());
            }
        }
        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();
        queryWrapper.in("user_id", userIds);
        if (StringUtils.equalsIgnoreCase(gender, "man")) {
            queryWrapper.in("sex", SexEnum.MAN);
        } else if (StringUtils.equalsIgnoreCase(gender, "woman")) {
            queryWrapper.in("sex", SexEnum.WOMAN);
        }
        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);
        List<NearUserVo> nearUserVoList = new ArrayList<>();
        for (UserLocationVo locationVo : userLocationVos) {
            if (locationVo.getUserId().longValue() == user.getId().longValue()) {
                //排除自己
                continue;
            }
            for (UserInfo userInfo : userInfoList) {
                if (locationVo.getUserId().longValue() == userInfo.getUserId().longValue()) {
                    NearUserVo nearUserVo = new NearUserVo();
                    nearUserVo.setUserId(userInfo.getUserId());
                    nearUserVo.setAvatar(userInfo.getLogo());
                    nearUserVo.setNickname(userInfo.getNickName());
                    nearUserVoList.add(nearUserVo);
                    break;
                }
            }
        }
        return nearUserVoList;
    }

    public List<TodayBest> queryCardsList() {
        User user = UserThreadLocal.get();
        PageInfo<RecommendUser> pageInfo = this.recommendUserService.queryRecommendUserList(user.getId(), 1, 50);
        List<RecommendUser> records = pageInfo.getRecords();
        if (CollectionUtils.isEmpty(records)) {
            String[] ss = StringUtils.split(defaultRecommendUsers, ",");
            for (String s : ss) {
                RecommendUser recommendUser = new RecommendUser();
                recommendUser.setUserId(Long.valueOf(s));
                recommendUser.setToUserId(user.getId());
                recommendUser.setScore(RandomUtils.nextDouble(70, 98));
                records.add(recommendUser);
            }
        }
            Integer showCount = Math.min(10, records.size());
            List<RecommendUser> recommendUserList = new ArrayList<>();
            for (Integer i = 0; i < showCount; i++) {
               this.createRecommend(records,recommendUserList);
            }
            List<Long>userIds=new ArrayList<>();
        for (RecommendUser recommendUser : recommendUserList) {
            if(!userIds.contains(recommendUser.getUserId())){
                userIds.add(recommendUser.getUserId());
            }
        }
        QueryWrapper<UserInfo>queryWrapper=new QueryWrapper<>();
        queryWrapper.in("user_id",userIds);
        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);
        List<TodayBest>todayBests=new ArrayList<>();
        for (UserInfo userInfo : userInfoList) {
            TodayBest todayBest=new TodayBest();
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setGender(userInfo.getSex().name().toLowerCase());
            todayBest.setTags(StringUtils.split(userInfo.getTags(),","));
            todayBest.setAge(userInfo.getAge());
            todayBest.setId(userInfo.getUserId());
            todayBests.add(todayBest);
        }
        return todayBests;
        }

    private void createRecommend(List<RecommendUser> records,List<RecommendUser> recommendUserList){
        RecommendUser recommendUser = records.get(RandomUtils.nextInt(0, records.size() - 1));
        if(!recommendUserList.contains(recommendUser)){
            recommendUserList.add(recommendUser);
        }else{
            this.createRecommend(records,recommendUserList);
        }

    }

    public Boolean likeUser(Long likeUserId) {
        User user=UserThreadLocal.get();
        String s = this.userLikeApi.saveUserLike(user.getId(), likeUserId);
        if(StringUtils.isEmpty(s)){
            return false;
        }
        if(this.userLikeApi.isMutualLike(user.getId(),likeUserId)){
            //相互喜欢成为好友
            this.imService.contactUser(likeUserId);
        }
        return true;
    }

    public Boolean disLikeUser(Long likeUserId) {
        User user=UserThreadLocal.get();
        return this.userLikeApi.deleteUserLike(user.getId(), likeUserId);
    }
}
